/Engine/Source/Runtime/Renderer/Public/HairStrandsInterface.h
Instance culling resources (RDG)
class FHairStrandsInstanceCullingParameters
TShaderParamete...
bCullingEnable
TShaderResource...
CullingIndexBuffer
TShaderResource...
CullingIndirectBuffer
TRDGResourceAcc...
CullingIndirectBufferArgs
TShaderResource...
CullingRadiusScaleBuffer